COMT-by-Sex Interaction Effect on Psychosis Proneness

Table 1

Descriptive data for the undergraduate and technical training school students and comparison between the two subsamples.

	Undergraduates	Technical school
Age (mean (SD))	20.60 (4.1)	21.20 (3.9)	= −2.01  = 0.045
Sex (men/women)	92/455	92/169	= 34.13  = 0.000
COMT Val158Met ( (%))
Val/Val	151 (28.8%)	72 (28.5%)
Val/Met	253 (48.3%)	121 (47.8%)	= 0.064  = 0.969
Met/Met	120 (22.9%)	60 (23.7%)
Schizotypy (WSS) (mean (SD))
Positive	−0.55 (0.8)	−0.26 (0.7)	= −5.33  = 0.000
Negative	−0.18 (0.9)	0.24 (0.9)	= −6.19  = 0.000
Psychotic experiences; (CAPE) (mean (SD))
Positive	7.24 (4.3)	9.72 (5.5)	= −6.96  = 0.000
Negative	8.92 (5.1)	9.62 (5.6)	= −1.69  = 0.092

WSS, Wisconsin Schizotypy Scales; CAPE, Community Assessment of Psychic Experiences. Differences were considered significant if was below 0.05 (shown in bold).